| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinshenrun Chem | China national standards | MT | 974.73 | USD | 20251129 |
| Shandong Aite Chem | China national standards | MT | 1243.13 | USD | 20251129 |
| Jinan Qi Mat | China national standards | MT | 875.84 | USD | 20251129 |
| Beijing Yanshan Petro | China national standards | MT | 1059.49 | USD | 20251129 |
| Beijing Yanshan Petro | China national standards | MT | 875.84 | USD | 20251129 |
| Shandong Langchem | China national standards | MT | 1115.99 | USD | 20251129 |
| Qingdao Shengze Chem | China national standards | MT | 875.84 | USD | 20251129 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1158.37 | USD | 20251129 |
| Shandong Jinshenrun Chem | China national standards | MT | 974.73 | USD | 20251129 |
| Shandong Jiaen Chem | China national standards | MT | 953.54 | USD | 20251129 |